package com.zking.myservlet.news;

import com.zking.dao.NewsDao;
import com.zking.entity.News;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet("/manage/newsSelectByPage")
public class NewsSelectByPage extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //处理请求的编码，解决中文乱码
        request.setCharacterEncoding("utf-8");
        //处理响应的编码 ，解决中文乱码
        response.setContentType("text/html;charset=utf-8");

        System.out.println("NewsSelectByPage===进来");

        int pageIndex = 1;
        int pageSize = 2;
        String temp = request.getParameter("pageIndex");
        if(temp != null){
            pageIndex = Integer.parseInt(temp);
        }

        List<News> list = NewsDao.getNewsByPage(pageIndex, pageSize);
        int maxPage = NewsDao.getMaxPage(pageSize);

        request.setAttribute("list", list);
        request.setAttribute("pageIndex", pageIndex);
        request.setAttribute("maxPage", maxPage);

        request.getRequestDispatcher("news.jsp").forward(request, response);


    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doPost(request, response);
    }
}
